207 lines
5 KiB
Nix
207 lines
5 KiB
Nix
{ config, lib, pkgs, utils, ... }:
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with lib;
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let
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inherit (pkgs) vault;
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cfg = config.services.vault;
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configFile = pkgs.writeText "vault.hcl" ''
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listener "tcp" {
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address = "${cfg.listener.address}"
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${optionalString (cfg.listener.cluster_address != null)''
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cluster_address = "${cfg.listener.cluster_address}"
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''}
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${optionalString (cfg.listener.tls_cert_file != null)''
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tls_cert_file = "${cfg.listener.tls_cert_file}"
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''}
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${optionalString (cfg.listener.tls_key_file != null)''
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tls_key_file = "${cfg.listener.tls_key_file}"
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''}
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${if cfg.listener.tls_disable then "tls_disable = \"1\"" else "" }
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tls_min_version = "${cfg.listener.tls_min_version}"
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${optionalString (cfg.listener.tls_cipher_suites != null)''
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tls_cipher_suites = \"${cfg.listener.tls_cipher_suites}\"
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''}
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tls_prefer_server_cipher_suites = "${boolToString cfg.listener.tls_prefer_server_cipher_suites}"
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tls_require_and_verify_client_cert = "${boolToString cfg.listener.tls_require_and_verify_client_cert}"
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}
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storage "${cfg.storage.backend}" {
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${cfg.storage.extraConfig}
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}
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${if cfg.telemetry.extraConfig != "" then "
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telemetry {
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${if cfg.telemetry.disable_hostname then "disable_hostname = \"true\"" else ""}
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${cfg.telemetry.extraConfig}
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}" else ""}
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'';
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in
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{
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options = {
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services.vault = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enables the vault daemon.
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'';
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};
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listener = {
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address = mkOption {
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type = types.str;
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default = "127.0.0.1:8200";
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description = ''
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The name of the ip interface to listen to.
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'';
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};
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cluster_address = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The name of the address to bind to for cluster server-to-server requests.
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'';
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};
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tls_cert_file = mkOption {
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type = types.str;
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default = "";
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description = ''
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The name of the crt file for the ssl certificate.
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'';
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};
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tls_key_file = mkOption {
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type = types.str;
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default = "";
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description = ''
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The name of the key file for the ssl certificate.
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'';
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};
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tls_disable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Specifies if TLS will be disabled. Vault assumes TLS by default, so you must explicitly disable TLS to opt-in to insecure communication.
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'';
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};
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tls_min_version = mkOption {
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type = types.enum [ "tls10" "tls11" "tls12" ];
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default = "tls12";
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description = ''
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The minimum supported version of TLS. Accepted values are "tls10", "tls11" or "tls12".
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'';
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};
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tls_cipher_suites = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The list of supported ciphersuites as a comma-separated-list.
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'';
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};
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tls_prefer_server_cipher_suites = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Specifies to prefer the server's ciphersuite over the client ciphersuites.
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'';
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};
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tls_require_and_verify_client_cert = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Turns on client authentication for this listener.
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'';
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};
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};
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storage = {
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backend = mkOption {
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type = types.str;
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default = "inMemory";
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description = ''
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The name of the type of storage backend.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Configuration for storage
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'';
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};
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};
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telemetry = {
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disable_hostname = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Specifies if gauge values should be prefixed with the local hostname.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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configuration for telemetry
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'';
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};
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.vault =
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{ description = "Vault server daemon";
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wantedBy = ["multi-user.target"];
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preStart =
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''
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mkdir -m 0755 -p /var/lib/vault
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'';
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serviceConfig =
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{ ExecStart =
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"${pkgs.vault}/bin/vault server -config ${configFile}";
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KillMode = "process";
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};
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};
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};
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}
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